Dihydroxyfumaric acid
Also known as: (2E)-2,3-dihydroxybut-2-enedioic acid, 2,3-dihydroxyfumaric acid, 2,3-dihydroxy-(E)-2-butenedioic acid, Dihydroxyfumarate, MFCD00149286, EINECS 205-106-2
Dihydroxyfumaric acid (CAS 133-38-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4O6 and a molecular weight of 148.07100 g/mol. Key properties include a melting point of 156ºC (dec.)(lit.), a boiling point of 308.6ºC at 760mmHg, a density of 2.055g/cm3 and a flash point of 154.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133-38-0
- Jingsj CID
- J-6077-5
- Molecular Formula
- C4H4O6
- Molecular Weight
- 148.07100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 308.6ºC at 760mmHg |
| Density | 2.055g/cm3 |
| Flash Point | 154.7ºC |
| Exact Mass | 148.00100 |
| PSA | 115.06000 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.658 |
Frequently Asked Questions
What is the CAS number of Dihydroxyfumaric acid?
The CAS number of Dihydroxyfumaric acid is 133-38-0.
What are the molecular formula and molecular weight of Dihydroxyfumaric acid?
Dihydroxyfumaric acid has molecular formula C4H4O6 and molecular weight 148.07100 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dihydroxyfumaric acid (CAS 133-38-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6077-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.